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drivers/video/backlight: remove unused rk29_buttonlight driver

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Change-Id: Ic8f1837404acb1c7f3bb5fc901ed5bbdd0aba70e
Signed-off-by: Tao Huang <huangtao@rock-chips.com>
This commit is contained in:
Tao Huang 2018-11-05 15:36:57 +08:00
parent aad01d4113
commit 35c679d462
1 changed files with 0 additions and 135 deletions
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135
drivers/video/backlight/rk29_buttonlight.c
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@ -1,135 +0,0 @@
/*
* Copyright (C) 2009 Rockchip Corporation.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <linux/init.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/err.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/debugfs.h>
#include <linux/backlight.h>
#include <linux/fb.h>
#include <linux/cpufreq.h>
#include <linux/clk.h>
#include <linux/earlysuspend.h>
#include <asm/io.h>
#include <mach/iomux.h>
#include <mach/gpio.h>
#include <mach/board.h>
/*
* Debug
*/
#if 0
#define DBG(x...) printk(x)
#else
#define DBG(x...)
#endif
static int rk29_button_light_value = 0;
struct backlight_device * rk29_button_light_device;
static s32 rk29_set_button_light(struct backlight_device *bl)
{
struct rk29_button_light_info *button_light_info = bl->dev.parent->platform_data;
DBG(">>>>>>> rk29_set_button_light\n");
if(bl->props.brightness)
{
gpio_set_value(button_light_info->led_on_pin, button_light_info->led_on_level);
rk29_button_light_value = 255;
}
else
{
gpio_set_value(button_light_info->led_on_pin, button_light_info->led_on_level?0:1);
rk29_button_light_value = 0;
}
return 0;
}
static s32 rk29_get_button_light(struct backlight_device *bl)
{
DBG(">>>>>>> rk29_get_button_light\n");
return rk29_button_light_value;
}
static struct backlight_ops rk29_button_light_ops = {
.update_status = rk29_set_button_light,
.get_brightness = rk29_get_button_light,
};
static int rk29_button_light_probe(struct platform_device *pdev)
{
struct rk29_button_light_info *button_light_info = pdev->dev.platform_data;
rk29_button_light_device = backlight_device_register("rk28_button_light", &pdev->dev, NULL, &rk29_button_light_ops,NULL);
if (!rk29_button_light_device) {
DBG("rk29_button_light_probe error\n");
return -ENODEV;
}
rk29_button_light_device->props.power = FB_BLANK_UNBLANK;
rk29_button_light_device->props.fb_blank = FB_BLANK_UNBLANK;
rk29_button_light_device->props.max_brightness = 255;
rk29_button_light_device->props.brightness = 255;
gpio_request(button_light_info->led_on_pin, NULL);
gpio_direction_output(button_light_info->led_on_pin, button_light_info->led_on_level?0:1);
if (button_light_info && button_light_info->io_init)
button_light_info->io_init();
return 0;
}
static int rk29_button_light_remove(struct platform_device *pdev)
{
if (rk29_button_light_device) {
backlight_device_unregister(rk29_button_light_device);
return 0;
} else {
DBG("rk29_button_light_remove error\n");
return -ENODEV;
}
}
static struct platform_driver rk29_button_light_driver = {
.probe = rk29_button_light_probe,
.remove = rk29_button_light_remove,
.driver = {
.name = "rk29_button_light",
.owner = THIS_MODULE,
},
};
static int __init rk29_button_light_init(void)
{
platform_driver_register(&rk29_button_light_driver);
return 0;
}
static int __init rk29_button_light_exit(void)
{
platform_driver_unregister(&rk29_button_light_driver);
return 0;
}
late_initcall(rk29_button_light_init);
module_exit(rk29_button_light_exit);